20 Farm Animals and Their Uses:
1. Cow: Milk, beef, leather, manure (fertilizer)
2. Pig: Pork, bacon, sausage, lard
3. Chicken: Eggs, meat, feathers
4. Sheep: Wool, meat (lamb), milk (for cheese)
5. Goat: Milk (for cheese, yogurt), meat, hair (for clothing and rugs)
6. Horse: Work (plowing, riding), transportation, meat (in some cultures)
7. Donkey: Work (carrying loads), transportation, milk (in some cultures)
8. Duck: Eggs, meat, feathers, manure (fertilizer)
9. Goose: Eggs, meat, feathers, down (for bedding and clothing)
10. Turkey: Meat, feathers
11. Rabbit: Meat, fur
12. Cat: Pest control (especially rodents)
13. Dog: Guarding, herding, companionship
14. Llama: Packing, transportation, wool (for clothing)
15. Alpaca: Wool (for clothing), meat (in some cultures)
16. Yak: Milk, meat, wool, transportation (in mountainous regions)
17. Water Buffalo: Milk, meat, transportation, plowing (in some cultures)
18. Camel: Transportation, milk, meat (in some cultures)
19. Guinea Pig: Pet, meat (in some cultures)
20. Bee: Honey, beeswax, pollination
Note: This is not an exhaustive list, and some animals may have additional uses depending on the region and culture.